ADG779BKS Analog Devices, ADG779BKS Datasheet

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ADG779BKS

Manufacturer Part Number
ADG779BKS
Description
CMOS 1.8 V to 5.5 V/ 2.5 ohm SPDT Switch/2:1 Mux In Tiny SC70 Package
Manufacturer
Analog Devices
Datasheet

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a
GENERAL DESCRIPTION
The ADG779 is a monolithic CMOS SPDT (single-pole,
double-throw) switch. This switch is designed on a submi-
cron process that provides low power dissipation yet gives
high switching speed, low on resistance and low leakage
currents.
The ADG779 operates from a single supply range of 1.8 V
to 5.5 V, making it ideal for use in battery-powered instru-
ments and with the new generation of DACs and ADCs from
Analog Devices.
Each switch of the ADG779 conducts equally well in both
directions when on. The ADG779 exhibits break-before-make
switching action.
Because of the advanced submicron process, –3 dB bandwidth
of greater than 200 MHz can be achieved.
The ADG779 is available in a 6-lead SC70 package.
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
FEATURES
1.8 V to 5.5 V Single Supply
2.5
0.75
–3 dB Bandwidth >200 MHz
Rail-to-Rail Operation
6-Lead SC70 Package
Fast Switching Times
Typical Power Consumption (<0.01 W)
TTL/CMOS-Compatible
APPLICATIONS
Battery-Powered Systems
Communication Systems
Sample Hold Systems
Audio Signal Routing
Video Switching
Mechanical Reed Relay Replacement
t
t
ON
OFF
On Resistance
20 ns
6 ns
On-Resistance Flatness
SPDT Switch/2:1 Mux In Tiny SC70 Package
PRODUCT HIGHLIGHTS
1. Tiny 6-Lead SC70 Package.
2. 1.8 V to 5.5 V Single Supply Operation. The ADG779
3. Very Low R
4. On-Resistance Flatness (R
5. –3 dB Bandwidth >200 MHz.
6. Low Power Dissipation. CMOS construction ensures low
7. 14 ns Switching Times.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
offers high performance, including low on resistance and
fast switching times, and is fully specified and guaranteed
with 3 V and 5 V supply rails.
operation, R
power dissipation.
CMOS 1.8 V to 5.5 V, 2.5
FUNCTIONAL BLOCK DIAGRAM
ON
ON
(5 Ω max at 5 V, 10 Ω max at 3 V). At 1.8 V
is typically 40 Ω over the temperature range.
S2
SWITCHES SHOWN FOR
S1
IN
A LOGIC "1" INPUT
ADG779
FLAT(ON)
) (0.75 Ω typ).
© Analog Devices, Inc., 2001
D
ADG779
www.analog.com

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ADG779BKS Summary of contents

Page 1

... MHz can be achieved. The ADG779 is available in a 6-lead SC70 package. REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use ...

Page 2

ADG779–SPECIFICATIONS Parameter ANALOG SWITCH Analog Signal Range On Resistance ( Resistance Match Between Channels (∆ On-Resistance Flatness (R ) FLAT(ON) 2 LEAKAGE CURRENTS Source OFF Leakage I (OFF) S Channel ON Leakage ...

Page 3

SPECIFICATIONS (V DD Parameter ANALOG SWITCH Analog Signal Range On Resistance ( Resistance Match Between Channels (∆ On-Resistance Flatness (R ) FLAT(ON) 2 LEAKAGE CURRENTS Source OFF Leakage I (OFF) S Channel ON Leakage ...

Page 4

... GND 3 4 Model Temperature Range ADG779BKS –40°C to +85°C *Brand = Brand on these packages is limited to three characters due to space constraints. CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. ...

Page 5

V = 2.7V DD 5.0 4.5 4 3.0V DD 3.5 3.0 2 5.0V DD 2.0 1.5 1.0 0 0.5 1.0 1.5 2.0 2.5 3 – DRAIN OR SOURCE VOLTAGE ...

Page 6

ADG779 – 5V –40 –50 –60 –70 –80 –90 –100 –110 –120 –130 10k 100k 1M FREQUENCY – Hz TPC 7. Off Isolation vs. Frequency –30 –40 –50 –60 –70 –80 –90 –100 –110 –120 –130 ...

Page 7

Test Circuits V1 Test Circuit 1. On Resistance 0 0 0.1 F ...

Page 8

ADG779 0.039 (1.00) 0.031 (0.80) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 6-Lead Plastic Surface Mount Package (SC70) (KS-6) 0.087 (2.20) 0.071 (1.80 0.053 (1.35) 0.094 (2.40) 0.045 (1.15) 0.071 (1.80 PIN 1 ...

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